Holidays provide unique opportunities to celebrate, reflect, and connect with diverse cultures and ideas. From the inquisitive spirit of International Skeptics Day to the cosy relaxation of Festival of Sleep Day and the playful charm of National Dress Up Your Pet Day, these observances offer something special. Whether it's promoting critical thinking, prioritising rest, or enjoying light-hearted fun, each of these holidays has its own distinctive flavour. Let’s dive into some of the most interesting holidays celebrated around the world and discover their significance.